For external events, you would need to monitor those events and expiry manually. Ignite does have notification capabilities int the form of events for cache put/get and other operations see here: https://apacheignite.readme.io/docs/events You can use that
example: https://github.com/apache/ignite/blob/master/examples/src/main/java/org/apache/ignite/examples/datagrid/CacheEventsExample.java -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/
